<div *browserOnly echarts class="echarts" (chartInit)="onChartReady($event)" (chartRendered)="rendered()" [initOpts]="mempoolVsizeFeesInitOptions" 
  [options]="mempoolVsizeFeesOptions" [style]="{opacity: isLoading ? 0.5 : 1}"></div>
<div class="text-center loadingGraphs" *ngIf="!stateService.isBrowser || isLoading">
  <div class="spinner-border text-light"></div>
</div>